KDB_TRACE and no backend
Andriy Gapon
avg at freebsd.org
Sat Sep 18 20:30:06 UTC 2010
on 18/09/2010 22:00 Andriy Gapon said the following:
> Oh, wow, and I totally overlooked stack_print().
> Should have read stack(9) from the start.
New patch. Hope this is better.
I don't like that the printf is duplicated, but couldn't figure out a way to
combine pre-processor and C conditions.
--- a/sys/kern/subr_kdb.c
+++ b/sys/kern/subr_kdb.c
@@ -37,6 +37,7 @@ __FBSDID("$FreeBSD$");
#include <sys/pcpu.h>
#include <sys/proc.h>
#include <sys/smp.h>
+#include <sys/stack.h>
#include <sys/sysctl.h>
#include <machine/kdb.h>
@@ -300,6 +301,15 @@ kdb_backtrace(void)
printf("KDB: stack backtrace:\n");
kdb_dbbe->dbbe_trace();
}
+#ifdef STACK
+ else {
+ struct stack st;
+
+ printf("KDB: stack backtrace:\n");
+ stack_save(&st);
+ stack_print(&st);
+ }
+#endif
}
/*
--
Andriy Gapon
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